190516040 has 128 divisors (see below), whose sum is σ = 530409600. Its totient is φ = 60549120.

The previous prime is 190516031. The next prime is 190516121. The reversal of 190516040 is 40615091.

It is a super-2 number, since 2×190516040² = 72592722994563200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107804 + ... + 109556.

It is an arithmetic number, because the mean of its divisors is an integer number (4143825).

Almost surely, 2^190516040 is an apocalyptic number.

190516040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190516040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265204800).

190516040 is an abundant number, since it is smaller than the sum of its proper divisors (339893560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190516040 is a wasteful number, since it uses less digits than its factorization.

190516040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 190516040 is about 13802.7547975033. The cubic root of 190516040 is about 575.4097042238.

The spelling of 190516040 in words is "one hundred ninety million, five hundred sixteen thousand, forty".